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30-01-2021
Mathematics

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The sum of the height and the radius of the base of a
cylinder is 34 cm. If the total surface area of the cylinder is
2992 cm, find the radius of its base.

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Аноним Аноним

30-01-2021

Answer:

h+r=34

r=34-h.....1

total surface area=2πr(r+h)

2992=2πr×34

2992/34=2πr

88/2=22/7×r

44×7/22=r

r=2×7=14cm

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